Deep Cycle Marine Batteries and Chargers

Are you looking for a battery to get your trolling motor up and running before your summer fishing trip? Battery Mart has an in depth selection of deep cycle marine batteries and marine battery chargers that will work great for the job. With group sizes ranging from group U1 to group 4D; we are sure to have what you need. All of our deep cycle marine batteries are available in maintenance free AGM and GEL so you don't have to maintain any acid or water levels. It is however, always recommended to keep these heavy duty batteries connected to a maintainer when they aren't in use.

Marine deep cycle batteries are built for deep discharge and recharge cycling. They work perfect for house batteries, RV batteries, and many other applications. These batteries are designed to be recharged time and time again without any harm to the battery. A deep cycle marine battery is a cross between a deep cycle and starting battery. They can start your boat and run all your accessories without causing damage to the battery. These high quality batteries come with at least a one year warranty and our 45 day satisfaction guarantee so there's no reason to worry about your Battery Mart purchase.

If you're unsure of the best deep cycle marine battery or marine battery chargers to purchase, please call one of our exceptional battery specialists for advice at 1-800-405-2121 or Contact Us by email.

Frequently Asked Questions about Deep Cycle Marine Batteries

What is the difference between MCA (Marine Cranking Amps) and CCA (Cold Cranking Amps)?
Cold Cranking Amps are the number of amps a battery can deliver for 30 seconds at 0°F while maintaining its voltage above 7.2 volts. Marine Cranking Amps are the number of amps a battery can deliver for 30 seconds at 32°F while maintaining it's voltage above 7.2 volts.